Turn Off the Lights
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
Read peacefully without distracting page elements, even offline.
Evernote Web Clipper
Use the Evernote extension to save things you see on the web into your Evernote account.
DuckDuckGo for Opera
DuckDuckGo enhancements for Opera.
Beta version - Mark already seen Videos on YouTube
Create secret messages in your chats and emails that self destruct!
WizNote Web Clipper
The extension “Wiz Note” can help you to save the web content or the whole website in your own account.
A simple popup to undo closed tabs, just that and a bit more.
Topface. Meeting is easy.
Extension for Topface new messages notifications.
Google™ Translator is a handy multi-language translator built on top of Google Translate.
Twilight does the Yes! dance in your speed dial!
Encrypts your traffic. Allows to open blocked websites.
Brings back image features from Opera 12
Enlarge thumbnails on mouse over. Works on over 100 sites and is totally free from shady updates, ads or 3rd party tracking.
Simple, streaming music.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for many popular sites.
avast! Online Security
Avast Browser Security and Web Reputation Plugin.
Annotator Extension from F1000
Opera Internal Pages
Shows a dropdown menu with all Opera internal pages (e.g., opera:about, opera:plugins...).
Desprotetor de Links
The Desprotetor Links allows you to dodge links protectors and other sites of its kind, with just one click.
Enhances the Steam Experience
Bookmark Manager and more ....
Download YouTube, RapidShare, VK.com and 40+ sites in one click.
Finally, an efficient blocker. Easy on CPU and memory.
Looper for YouTube
Auto replay videos with ONE-CLICK, able to customise features such as AUTO LOOP toggle, setting loop counts and loop portion.
Simple To-Do List
Simple and minimalistic extension for task management.
Ddict helps you instantly translate text on websites or PDF files by a double-click or a keypress.
Opens a page automatically on time which you scheduled.
convert2mp3.net Online Video Converter
Adds an option to convert YouTube.com, Dailymotion.com, Vevo.com and Clipfish.de Videos online to MP3 and MP4
Additional settings VK.com
Configuring interface, and much more in the social network VKontakte.